11 Min.
NIS Advanced S3 - 13 - El 80-20 de la felicidad Notes in Spanish Advanced
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Ben and Marina look at the 80-20 principle, how it started in economics and business, and whether it could be the secret to living a happier life. See notesinspanish.com to pick up the worksheets!
Ben and Marina look at the 80-20 principle, how it started in economics and business, and whether it could be the secret to living a happier life. See notesinspanish.com to pick up the worksheets!
11 Min.